Online Data Transfer Units Converter
How to Convert from OC1 to IDE (PIO mode 4)?
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How to Convert from OC1 to IDE (PIO mode 4)?

Learn how to convert data transfer rates from OC1 optical carrier signals to IDE (PIO mode 4) timing for legacy ATA/IDE storage devices. Understand the context, conversion formula, and practical use cases.

Please check your input. It must be a valid numeric value.

OC1 to IDE (PIO mode 4) Conversion Table

OC1 IDE (PIO mode 4)

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.
Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.
Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.
OC1 to IDE (PIO mode 4) Conversion Table
OC1 IDE (PIO mode 4)

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  25. How to convert from gigabit/second [Gb/s] to OC1?
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  32. How to convert from OC1 to terabyte/second (SI def.)?
  33. How to convert from terabit/second [Tb/s] to OC1?
  34. How to convert from OC1 to terabit/second [Tb/s]?
  35. How to convert from terabyte/second [TB/s] to OC1?
  36. How to convert from OC1 to terabyte/second [TB/s]?
  37. How to convert from ethernet to OC1?
  38. How to convert from OC1 to ethernet?
  39. How to convert from ethernet (fast) to OC1?
  40. How to convert from OC1 to ethernet (fast)?
  41. How to convert from ethernet (gigabit) to OC1?
  42. How to convert from OC1 to ethernet (gigabit)?
  43. How to convert from OC3 to OC1?
  44. How to convert from OC1 to OC3?
  45. How to convert from OC12 to OC1?
  46. How to convert from OC1 to OC12?
  47. How to convert from OC24 to OC1?
  48. How to convert from OC1 to OC24?
  49. How to convert from OC48 to OC1?
  50. How to convert from OC1 to OC48?
  51. How to convert from OC192 to OC1?
  52. How to convert from OC1 to OC192?
  53. How to convert from OC768 to OC1?
  54. How to convert from OC1 to OC768?
  55. How to convert from ISDN (single channel) to OC1?
  56. How to convert from OC1 to ISDN (single channel)?
  57. How to convert from ISDN (dual channel) to OC1?
  58. How to convert from OC1 to ISDN (dual channel)?
  59. How to convert from modem (110) to OC1?
  60. How to convert from OC1 to modem (110)?
  61. How to convert from modem (300) to OC1?
  62. How to convert from OC1 to modem (300)?
  63. How to convert from modem (1200) to OC1?
  64. How to convert from OC1 to modem (1200)?
  65. How to convert from modem (2400) to OC1?
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  67. How to convert from modem (9600) to OC1?
  68. How to convert from OC1 to modem (9600)?
  69. How to convert from modem (14.4k) to OC1?
  70. How to convert from OC1 to modem (14.4k)?
  71. How to convert from modem (28.8k) to OC1?
  72. How to convert from OC1 to modem (28.8k)?
  73. How to convert from modem (33.6k) to OC1?
  74. How to convert from OC1 to modem (33.6k)?
  75. How to convert from modem (56k) to OC1?
  76. How to convert from OC1 to modem (56k)?
  77. How to convert from SCSI (Async) to OC1?
  78. How to convert from OC1 to SCSI (Async)?
  79. How to convert from SCSI (Sync) to OC1?
  80. How to convert from OC1 to SCSI (Sync)?
  81. How to convert from SCSI (Fast) to OC1?
  82. How to convert from OC1 to SCSI (Fast)?
  83. How to convert from SCSI (Fast Ultra) to OC1?
  84. How to convert from OC1 to SCSI (Fast Ultra)?
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  97. How to convert from IDE (PIO mode 0) to OC1?
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  105. How to convert from IDE (PIO mode 4) to OC1?
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  110. How to convert from OC1 to IDE (DMA mode 1)?
  111. How to convert from IDE (DMA mode 2) to OC1?
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  156. How to convert from OC1 to E.P.T.A. 1 (signal)?
  157. How to convert from E.P.T.A. 1 (payload) to OC1?
  158. How to convert from OC1 to E.P.T.A. 1 (payload)?
  159. How to convert from E.P.T.A. 2 (signal) to OC1?
  160. How to convert from OC1 to E.P.T.A. 2 (signal)?
  161. How to convert from E.P.T.A. 2 (payload) to OC1?
  162. How to convert from OC1 to E.P.T.A. 2 (payload)?
  163. How to convert from E.P.T.A. 3 (signal) to OC1?
  164. How to convert from OC1 to E.P.T.A. 3 (signal)?
  165. How to convert from E.P.T.A. 3 (payload) to OC1?
  166. How to convert from OC1 to E.P.T.A. 3 (payload)?
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  172. How to convert from OC1 to H12?
  173. How to convert from Virtual Tributary 1 (signal) to OC1?
  174. How to convert from OC1 to Virtual Tributary 1 (signal)?
  175. How to convert from Virtual Tributary 1 (payload) to OC1?
  176. How to convert from OC1 to Virtual Tributary 1 (payload)?
  177. How to convert from Virtual Tributary 2 (signal) to OC1?
  178. How to convert from OC1 to Virtual Tributary 2 (signal)?
  179. How to convert from Virtual Tributary 2 (payload) to OC1?
  180. How to convert from OC1 to Virtual Tributary 2 (payload)?
  181. How to convert from Virtual Tributary 6 (signal) to OC1?
  182. How to convert from OC1 to Virtual Tributary 6 (signal)?
  183. How to convert from Virtual Tributary 6 (payload) to OC1?
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  186. How to convert from OC1 to STS1 (signal)?
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  189. How to convert from STS3 (signal) to OC1?
  190. How to convert from OC1 to STS3 (signal)?
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  192. How to convert from OC1 to STS3 (payload)?
  193. How to convert from STS3c (signal) to OC1?
  194. How to convert from OC1 to STS3c (signal)?
  195. How to convert from STS3c (payload) to OC1?
  196. How to convert from OC1 to STS3c (payload)?
  197. How to convert from STS12 (signal) to OC1?
  198. How to convert from OC1 to STS12 (signal)?
  199. How to convert from STS24 (signal) to OC1?
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  201. How to convert from STS48 (signal) to OC1?
  202. How to convert from OC1 to STS48 (signal)?
  203. How to convert from STS192 (signal) to OC1?
  204. How to convert from OC1 to STS192 (signal)?
  205. How to convert from STM-1 (signal) to OC1?
  206. How to convert from OC1 to STM-1 (signal)?
  207. How to convert from STM-4 (signal) to OC1?
  208. How to convert from OC1 to STM-4 (signal)?
  209. How to convert from STM-16 (signal) to OC1?
  210. How to convert from OC1 to STM-16 (signal)?
  211. How to convert from STM-64 (signal) to OC1?
  212. How to convert from OC1 to STM-64 (signal)?

What Is This Tool?

This converter tool allows users to convert data transfer rates from OC1, a base SONET optical transmission rate, to IDE (PIO mode 4), a CPU-driven timing mode for ATA/IDE storage devices. It helps compare and assess transfer rates between modern optical networks and legacy storage interfaces.

How to Use This Tool?

  • Enter the data transfer value in OC1 units.
  • Select the output unit as IDE (PIO mode 4).
  • Click convert to see the equivalent timing mode value.
  • Use the result to compare or evaluate data transfer capabilities.

Key Features

  • Converts data transfer units from OC1 to IDE (PIO mode 4).
  • Uses a precise conversion factor based on rate definitions.
  • Supports telecommunications and legacy hardware contexts.
  • Browser-based and easy to use without additional software.

Examples

  • 1 OC1 equals 0.3903614458 IDE (PIO mode 4).
  • 5 OC1 converts to 1.951807229 IDE (PIO mode 4).

Common Use Cases

  • Provisioning carrier-grade leased fiber circuits in telecommunications.
  • Configuring or diagnosing legacy IDE/ATA drives in older computer systems.
  • Comparing performance of optical network links with legacy CPU-controlled ATA interfaces.
  • Supporting industrial or retro-computing environments with historical ATA timing modes.

Tips & Best Practices

  • Use the conversion for comparative evaluation, not exact performance measurement.
  • Consider system architecture and CPU load when interpreting IDE (PIO mode 4) values.
  • Apply this tool when working with legacy storage or network equipment.
  • Refer to both unit definitions to understand differences in measurement approaches.

Limitations

  • OC1 measures a fixed network transmission bit rate, while IDE (PIO mode 4) reflects CPU-controlled data transfer timing.
  • Conversions are approximate since these units address fundamentally different concepts.
  • IDE (PIO mode 4) throughput can vary with CPU load and system design.
  • This tool serves mainly for comparative or legacy assessment rather than precise data measurement.

Frequently Asked Questions

What does OC1 represent in data transfer?
OC1 stands for Optical Carrier level 1, which is a base SONET optical transmission rate of 51.84 Mbit/s used in synchronous optical networking.

What is IDE (PIO mode 4)?
IDE (PIO mode 4) is a Programmed Input/Output timing mode for ATA/IDE storage devices where the CPU directly controls data transfers with a theoretical maximum of about 16.7 MB/s.

Why convert from OC1 to IDE (PIO mode 4)?
Users convert between these units to compare data transfer rates of optical network links and legacy CPU-driven storage interfaces, especially for performance or compatibility assessments.

Key Terminology

OC1
Base SONET optical transmission rate of 51.84 Mbit/s used for framing and multiplexing in synchronous optical networking.
IDE (PIO mode 4)
A Programmed Input/Output timing mode for ATA/IDE devices where the CPU manages data transfers, with a theoretical max throughput of about 16.7 MB/s.
Data Transfer Rate
The speed at which data is transmitted or received, measured differently in network and storage contexts.

Quick Knowledge Check

What is OC1 primarily used for?
What describes IDE (PIO mode 4)?
Why is the conversion between OC1 and IDE (PIO mode 4) approximate?

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